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1. WO2010006851 - RESONANCE-BASED ROTOR POSITION ESTIMATION

Publication Number WO/2010/006851
Publication Date 21.01.2010
International Application No. PCT/EP2009/057125
International Filing Date 10.06.2009
IPC
H02P 6/16 2006.01
HELECTRICITY
02GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
PCONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
6Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
14Electronic commutators
16Circuit arrangements for detecting position
G01D 5/20 2006.01
GPHYSICS
01MEASURING; TESTING
DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED BY A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; TRANSFERRING OR TRANSDUCING ARRANGEMENTS NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
5Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
12using electric or magnetic means
14influencing the magnitude of a current or voltage
20by varying inductance, e.g. by a movable armature
CPC
G01D 5/2013
GPHYSICS
01MEASURING; TESTING
DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
5Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
12using electric or magnetic means
14influencing the magnitude of a current or voltage
20by varying inductance, e.g. by a movable armature
2006by influencing the self-induction of one or more coils
2013by a movable ferromagnetic element, e.g. a core
H02P 25/08
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
PCONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
25Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
02characterised by the kind of motor
08Reluctance motors
H02P 25/089
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
PCONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
25Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
02characterised by the kind of motor
08Reluctance motors
086Commutation
089Sensorless control
H02P 6/16
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
PCONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
6Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
14Electronic commutators
16Circuit arrangements for detecting position
Applicants
  • UNIVERSITEIT GENT [BE]/[BE] (AllExceptUS)
  • GELDHOF, Kristof [BE]/[BE] (UsOnly)
  • VAN DEN BOSSCHE, Alex [BE]/[BE] (UsOnly)
Inventors
  • GELDHOF, Kristof
  • VAN DEN BOSSCHE, Alex
Agents
  • WAUTERS, Davy
Priority Data
0813226.818.07.2008GB
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) RESONANCE-BASED ROTOR POSITION ESTIMATION
(FR) ESTIMATION DE POSITION DE ROTOR À BASE DE RÉSONANCE
Abstract
(EN)
The present invention relates to sensorless rotor position estimation of a salient machine, such as a switched reluctance machine or a salient brushless DC machine. The invention relates to a test system (200) for a salient machine (230) to be driven using an inverter (220). Periods of zero current may occur in the phases of the salient machine. The test system (200) comprises a test pulse generator (210) for applying a voltage test pulse with the inverter of the salient machine. The voltage test pulse may be applied in an idle phase of the machine. The test system furthermore may comprise a measurement circuit (240) for determining a damped resonance response following the end of the voltage test pulse at which moment at least one terminal of a phase winding of the machine is decoupled, and a processor (250) for deriving therefrom a position of a rotor of the salient machine (230).
(FR)
La présente invention porte sur une estimation de position de rotor sans capteur d'une machine à pôles saillants, telle qu'une machine à reluctance commutée ou une machine à courant continu sans balai à pôles saillants. L'invention porte sur un système de test (200) pour une machine à pôles saillants (230) devant être attaquée à l'aide d'un onduleur (220). Des périodes de courant nul peuvent apparaître dans les phases de la machine à pôles saillants. Un système de test (200) comprend un générateur d'impulsion de test (210) pour appliquer une impulsion de test de tension avec l'onduleur de la machine à pôles saillants. L'impulsion de test de tension peut être appliquée dans une phase d'inactivité de la machine. Le système de test peut en outre comprendre un circuit de mesure (240) pour déterminer une réponse de résonance amortie suivant la fin de l'impulsion de test de tension, moment où au moins une borne d'un enroulement de phase de la machine est découplée, et un processeur (250) pour obtenir à partir de cette réponse une position d'un rotor de la machine à pôles saillants (230).
Also published as
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